/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.wiki;

import com.google.inject.Inject;
import com.google.inject.name.Named;
import fitnesse.wikitext.WikiWidget;
import fitnesse.wikitext.widgets.ParentWidget;
import org.xptracker.domain.Domain;
import org.xptracker.domain.Story;
import org.xptracker.domain.StoryTask;
import org.xptracker.domain.User;
import org.xptracker.persistence.Identified;

import java.util.Arrays;
import java.util.HashSet;

public class ItemWidget extends WikiWidget {
  private static final HashSet<Class<? extends Identified>> CLASSES = new HashSet<Class<? extends Identified>>(
      Arrays.asList(Story.class, StoryTask.class, User.class));
  public static final String REGEXP = "item:\\d+";
  
  @Inject
  private Domain domain;

  @Inject
  @Named("context-path")
  private String base;

  private String content;

  public ItemWidget(ParentWidget parentWidget, String content) {
    super(parentWidget);
    this.content = content;
  }

  public String render() throws Exception {
    String[] chunks = content.split(":");
    String id = chunks[1];
    String url = base + "/Display.action?id=" + id;

    Identified item = domain.findEntity(CLASSES, id);
    return new StringBuilder().append("<a class=\"print\" href=\"").
        append(url).append("\">").append(item).append("</a>").toString();
  }
}
